/*
 * Copyright (c) 2003-2010, Live Media Pty. Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice, this list of
 *     conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice, this list of
 *     conditions and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *  3. Neither the name of Live Media nor the names of its contributors may be used to endorse
 *     or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
package com.argot;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import com.argot.dictionary.Dictionary;

public class ResourceDictionaryLoader
implements TypeLibraryLoader
{
	private String _resource; 

	public ResourceDictionaryLoader( String resource )
	{
		_resource = resource;
	}
	
	private InputStream getDictionaryStream( String location )
	{
		File dictionaryFile = new File( location );
		if ( dictionaryFile.exists())
		{
			try
			{
				return new FileInputStream( dictionaryFile );
			}
			catch (FileNotFoundException e)
			{
				// ignore and drop through.
			}
		}

		ClassLoader cl = this.getClass().getClassLoader();
		InputStream is = cl.getResourceAsStream( location );
		if ( is == null )
		{
			return null;
		}				
		return is;
	}
	
	
	public void load( TypeLibrary library ) 
	throws TypeException
	{
		InputStream is = getDictionaryStream( _resource );
		if ( is == null )
		{
			throw new TypeException("Failed to load:" + _resource );
		}
		
		try
		{
			Dictionary.readDictionary( library, is );
		}
		catch (TypeException e)
		{
			throw new TypeException("Error loading dictionary: " + _resource, e );
		}
		catch (IOException e)
		{
			throw new TypeException("Error loading dictionary: " + _resource, e );
		}
		
		bind(library);
	}
	
	public void bind( TypeLibrary library ) 
	throws TypeException
	{
		
	}

	public String getName()
	{
		return _resource;
	}

}
